DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026  root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
kernel: X86_64_GENERIC (QEMU/KVM guest, dfbsd-qemu/vm.sh, clean-source snapshot)
audited source verified identical on guest:
  SHA256 (/usr/src/sys/dev/netif/ic/if_ic.c) = 3ff9e187ce51ee7f4c615937cd51c5cc1bbdddc3ae2197b7747d5893ef2f586d
harness: lpbbfake.ko (fake lpbb bit-bang bridge on isa) + stock iicbb/iicbus/if_ic modules
observable: `vmstat -m` M_DEVBUF row (Count / MemUse)
no i2c hardware present in guest (virtual bridge provides the bus)